I'm feeling a bit philosophical today, so here's a bit of an unusual theme for me: speculation about my generation's longevity.

My grandfather is 93 and is in great health. My grandmother is in 90 and she too is in great health. Can my parents beat that? Can my generationbeat that? 

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Researchers have discovered a pattern of genes that predicts a person's longevity. My impression is that this discovery should make no difference on people's plans to eat right, exercise and live a healthy life. I, for one, continue on my plan to live to age 120.

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